CN110774561B

CN110774561B - Inner supporting structure of extrusion molding production line

Info

Publication number: CN110774561B
Application number: CN201911062661.6A
Authority: CN
Inventors: 王丹; 巩恩勇; 白海波
Original assignee: DONGGUAN DONGSHI NEW MATERIAL DEVELOPMENT CO LTD
Current assignee: DONGGUAN DONGSHI NEW MATERIAL DEVELOPMENT CO LTD
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2021-11-16
Anticipated expiration: 2039-11-03
Also published as: CN110774561A

Abstract

The invention relates to the technical field of extrusion molding, and discloses an internal support structure in an extrusion molding production line, which comprises an upper template, wherein a core mold is arranged on the inner side of the upper template, a connecting mechanism is arranged on the inner side of the core mold, a connecting rod is arranged at the lower end of the connecting mechanism, a first fixing mechanism is arranged at the lower end of the connecting rod, a steel wire rope is arranged at the lower end of the first fixing mechanism, a second fixing mechanism is arranged at the lower end of the steel wire rope, an internal support main body is arranged at the lower end of the second fixing mechanism, and the internal support main body comprises a support frame, a sliding mechanism and a connecting block. This support structure in extrusion molding production line can be connected interior support main part and mandrel through wire rope, and the installation is more convenient, and connects more firmly, difficult fracture, long service life, and it is more convenient to dismantle, not only can stretch the extrusion molding product, can play the supporting role to the extrusion molding product moreover, avoids the extrusion molding product to warp at tensile in-process.

Description

Inner supporting structure of extrusion molding production line

Technical Field

The invention relates to the technical field of extrusion molding, in particular to an inner supporting structure of an extrusion molding production line.

Background

The stretch blow molding process is a blow molding process of biaxially oriented stretch, which is developed on the basis of the conventional extrusion blow molding process and injection blow molding process, and comprises the steps of molding a parison by an extrusion method or an injection method, treating the parison to a suitable stretching temperature of the plastic, longitudinally stretching the parison by an internal (using a stretching mandrel) or external (using a stretching jig) mechanical force, and transversely stretching the parison by blowing with compressed air at the same time or later, to obtain a product, wherein the stretching is performed in a thermoelastic range for an amorphous thermoplastic and a certain stretching speed is maintained in a stretching process performed in a temperature range narrower than a crystalline melting point for a partially crystalline thermoplastic before the blow molding, the macromolecular chains of the plastic are stretched and oriented without relaxation.

The existing stretching and blowing device can cause a product to be seriously deformed in the stretching process, the stretching device is welded on a core mold and cannot be disassembled, in addition, a supporting structure is inconvenient to install, and for this reason, an inner supporting structure of an extrusion molding production line is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the support structure in the extrusion molding production line, which has the advantages of convenience in installation, firmness in connection, difficulty in fracture, long service life, convenience in disassembly, capability of stretching an extrusion molding product, supporting the extrusion molding product, avoiding deformation of the extrusion molding product in the stretching process and the like, and solves the problems that the product is seriously deformed in the stretching process, a stretching device is welded on a core mold, the disassembly cannot be carried out, and the support structure is inconvenient to install.

(II) technical scheme

In order to realize the purposes of convenient installation, firm connection, difficult fracture, long service life and convenient disassembly, not only can stretch the extrusion molding product, but also can support the extrusion molding product and avoid the deformation of the extrusion molding product in the stretching process, the invention provides the following technical scheme: supporting structure in extrusion molding production line, including the cope match-plate pattern, the inboard of cope match-plate pattern is provided with the mandrel, the inboard of mandrel is provided with coupling mechanism, coupling mechanism's lower extreme is provided with the connecting rod, the lower extreme of connecting rod is provided with a fixed establishment, a fixed establishment's lower extreme is provided with wire rope, wire rope's lower extreme is provided with No. two fixed establishment, No. two fixed establishment's lower extreme is provided with interior support main part, interior support main part includes support frame, slide mechanism, connecting block.

Preferably, the connecting mechanism comprises a threaded hole and a fixing screw rod, the threaded hole is formed in the core mold, the fixing screw rod is arranged on the inner side of the threaded hole, the threaded hole is matched with the fixing screw rod, the outer surface of the fixing screw rod is movably connected with the inner surface of the threaded hole through threads, and the outer surface of the upper end of the connecting rod is fixedly connected with the outer surface of the lower end of the fixing screw rod.

Preferably, a fixed establishment includes a couple, a lock sleeve, a fixed block, the lower extreme of connecting rod is provided with the couple No. one, the upper end surface of couple and the lower extreme external fixed surface of connecting rod are connected, the outside of couple is provided with the lock sleeve No. one, the surface of couple and the internal surface swing joint of lock sleeve No. one, the lower extreme of lock sleeve is provided with the fixed block No. one, the lock sleeve runs through in the fixed block No. one, the surface of lock sleeve and the internal fixed surface of fixed block are connected, wire rope's upper end runs through in the fixed block No. one, wire rope's upper end and fixed block fixed connection No. one.

Preferably, No. two fixed establishment includes No. two fixed blocks, No. two lock sleeves, No. two couples, wire rope's lower extreme is provided with No. two fixed blocks, wire rope's lower extreme and No. two fixed block fixed connection, the lower extreme of No. two fixed blocks is provided with No. two lock sleeves, the upper end and No. two fixed block fixed connection of No. two lock sleeves, the lower extreme inboard of No. two lock sleeves is provided with No. two couples, the surface of No. two couples and the internal surface swing joint of No. two lock sleeves, the lower extreme of No. two couples is provided with the connecting block, the upper end surface of connecting block and the lower extreme external surface fixed connection of No. two couples.

Preferably, the lower extreme of connecting block is provided with the support frame, the upper end surface of support frame and the lower extreme surface fixed connection of connecting block, the both ends of support frame are provided with a plurality of sets of slide mechanism, the support frame is aluminium material.

Preferably, slide mechanism includes fixed plate, loose axle, changes the rod, the fixed plate is connected with the both ends external fixed surface of support frame, the inboard of fixed plate is provided with the loose axle, the one end of the inboard loose axle of fixed plate is provided with changes the rod, change rod and loose axle fixed connection, loose axle and fixed plate swing joint, slide mechanism is about the central line axial symmetry of support frame, it is the polytetrafluoroethylene material to change the rod, the outside of interior support main part is provided with the extrusion molding product, the internal surface of extrusion molding product and the external surface swing joint who changes the rod.

Preferably, the outer surface of the core mold is fixedly connected with the inner surface of the upper mold plate, and the upper end of the connecting rod is fixedly connected with the core mold through a connecting mechanism.

Preferably, the upper end of the steel wire rope is fixedly connected with the lower end of the connecting rod through a first fixing mechanism, and the lower end of the steel wire rope is fixedly connected with the inner support main body through a second fixing mechanism.

Preferably, the diameter of the steel wire rope is zero six millimeters, and the connecting rod is made of stainless steel materials.

Advantageous effects

Compared with the prior art, the invention provides the internal support structure of the extrusion molding production line, which has the following beneficial effects:

1. this bearing structure in extrusion molding production line twists the inside of screw hole through set screw and can make the connecting rod fix the lower extreme at the mandrel, and fixed more firm, and through threaded connection between screw hole and the set screw, it is more convenient to dismantle.

2. This supporting structure in extrusion molding production line, fix wire rope at the lower extreme of a lock sleeve through a fixed block, couple welding is at the lower extreme of connecting rod No. one, the outside of covering a lock sleeve at a couple can make wire rope's upper end be connected with the lower extreme of connecting rod, and can fix No. two lock sleeves at wire rope's lower extreme through No. two fixed blocks, couple welding is in the upper end of connecting block No. two, the outside of covering a lock sleeve at couple No. two can make wire rope's lower extreme be connected with the connecting block, can be connected interior support main part and mandrel through wire rope, the installation is more convenient, and connect more firmly, difficult fracture, long service life.

3. This bearing structure in extrusion molding production line can fix the fixed plate in the inside of extrusion molding product through the support frame, can drive through the loose axle and change the rod rotation, and then make slide mechanism remove in extrusion molding product is inside, not only can stretch the extrusion molding product, can play the supporting role to the extrusion molding product in addition, avoids the extrusion molding product to warp at tensile in-process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the coupling mechanism of the present invention;

FIG. 3 is a schematic structural view of a first hook according to the present invention;

FIG. 4 is a schematic structural view of a second hook according to the present invention;

fig. 5 is a schematic structural view of an inner support body of the present invention.

In the figure: 1. mounting a template; 2. a connecting mechanism; 21. a threaded hole; 22. fixing the screw rod; 3. a connecting rod; 4. a first fixing mechanism; 41. a first hook; 42. a first lock sleeve; 43. a first fixed block; 5. a wire rope; 6. a second fixing mechanism; 61. a second fixed block; 62. a second lock sleeve; 63. a second hook; 7. extruding the product; 8. an inner support body; 9. a support frame; 10. a sliding mechanism; 101. a fixing plate; 102. a movable shaft; 103. rotating the stick; 11. connecting blocks; 12. and (4) forming a core mould.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the inner supporting structure in the extrusion molding production line includes an upper mold plate 1, a core mold 12 is disposed on an inner side of the upper mold plate 1, a connecting mechanism 2 is disposed on an inner side of the core mold 12, a connecting rod 3 is disposed at a lower end of the connecting mechanism 2, a first fixing mechanism 4 is disposed at a lower end of the connecting rod 3, a steel wire rope 5 is disposed at a lower end of the first fixing mechanism 4, a second fixing mechanism 6 is disposed at a lower end of the steel wire rope 5, an inner supporting body 8 is disposed at a lower end of the second fixing mechanism 6, and the inner supporting body 8 includes a supporting frame 9, a sliding mechanism 10, and a connecting block 11.

The connecting mechanism 2 comprises a threaded hole 21 and a fixing screw 22, the threaded hole 21 is formed in the core die 12, the fixing screw 22 is arranged on the inner side of the threaded hole 21, the threaded hole 21 is matched with the fixing screw 22, the outer surface of the fixing screw 22 is movably connected with the inner surface of the threaded hole 21 through threads, and the outer surface of the upper end of the connecting rod 3 is fixedly connected with the outer surface of the lower end of the fixing screw 22.

No. 4 fixed establishment includes couple 41, lock sleeve 42, fixed block 43, the lower extreme of connecting rod 3 is provided with couple 41, the upper end surface of couple 41 and the lower extreme surface fixed connection of connecting rod 3, the outside of couple 41 is provided with lock sleeve 42, the surface of couple 41 and the internal surface swing joint of lock sleeve 42, the lower extreme of lock sleeve 42 is provided with fixed block 43, lock sleeve 42 runs through in fixed block 43, the surface of lock sleeve 42 and the internal surface fixed connection of fixed block 43, the upper end of wire rope 5 runs through in fixed block 43, the upper end of wire rope 5 and fixed block 43 fixed connection.

No. two fixed establishment 6 includes No. two fixed blocks 61, No. two lock sleeves 62, No. two couples 63, wire rope 5's lower extreme is provided with No. two fixed blocks 61, wire rope 5's lower extreme and No. two fixed blocks 61 fixed connection, No. two fixed blocks 61's lower extreme is provided with No. two lock sleeves 62, No. two lock sleeves 62's upper end and No. two fixed blocks 61 fixed connection, No. two lock sleeves 62's lower extreme inboard is provided with No. two couples 63, No. two couples 63's surface and No. two lock sleeves 62's internal surface swing joint, No. two couples 63's lower extreme is provided with connecting block 11, connecting block 11's upper end surface and No. two couples 63's lower extreme external surface fixed connection.

The lower extreme of connecting block 11 is provided with support frame 9, and the upper end surface of support frame 9 is connected with the lower extreme surface fixed connection of connecting block 11, and the both ends of support frame 9 are provided with a plurality of sets of sliding mechanism 10, and support frame 9 is aluminium material.

The sliding mechanism 10 comprises a fixing plate 101, a movable shaft 102 and a rotating rod 103, the fixing plate 101 is fixedly connected with the outer surfaces of two ends of the supporting frame 9, the movable shaft 102 is arranged on the inner side of the fixing plate 101, the rotating rod 103 is arranged at one end of the movable shaft 102 on the inner side of the fixing plate 101, the rotating rod 103 is fixedly connected with the movable shaft 102, the movable shaft 102 is movably connected with the fixing plate 101, the sliding mechanism 10 is axisymmetric relative to the center line of the supporting frame 9, the rotating rod 103 is made of polytetrafluoroethylene materials, an extrusion molding product 7 is arranged on the outer side of the inner supporting body 8, and the inner surface of the extrusion molding product 7 is movably connected with the outer surface of the rotating rod 103.

The outer surface of the core mold 12 is fixedly connected with the inner surface of the upper mold plate 1, and the upper end of the connecting rod 3 is fixedly connected with the core mold 12 through the connecting mechanism 2.

The upper end of the steel wire rope 5 is fixedly connected with the lower end of the connecting rod 3 through a first fixing mechanism 4, and the lower end of the steel wire rope 5 is fixedly connected with the inner support main body 8 through a second fixing mechanism 6.

The diameter of the steel wire rope 5 is zero six millimeters, and the connecting rod 3 is made of stainless steel materials.

When the extrusion molding machine works, firstly, the fixing screw 22 is screwed into the threaded hole 21 to fix the connecting rod 3 at the lower end of the core mold 12, the steel wire rope 5 is fixed at the lower end of the first locking sleeve 42 through the first fixing block 43, the first hook 41 is welded at the lower end of the connecting rod 3, the first locking sleeve 42 is sleeved outside the first hook 41 to enable the upper end of the steel wire rope 5 to be connected with the lower end of the connecting rod 3, the second locking sleeve 62 is fixed at the lower end of the steel wire rope 5 through the second fixing block 61, the second hook 63 is welded at the upper end of the connecting block 11, the second locking sleeve 62 is sleeved outside the second hook 63 to enable the lower end of the steel wire rope 5 to be connected with the connecting block 11, the extrusion molding product 7 is sleeved outside the inner support body 8, the fixing plate 101 is fixed inside the extrusion molding product 7 through the support frame 9, the upper mold plate 1 is connected with a tractor to pull the inner support body 8 to move, and the movable shaft 102 and the rotating rod 103 rotate inside the fixing plate 101 when the inner support body 8 moves, the slide mechanism 10 is further slid inside the extruded product 7, whereby the extruded product 7 can be stretched.

To sum up, the connecting rod 3 can be fixed at the lower end of the core mold 12 by screwing the fixing screw 22 into the threaded hole 21, the fixing is firm, and the threaded hole 21 and the fixing screw 22 are connected through threads, so that the disassembly is convenient; the steel wire rope 5 is fixed at the lower end of the first lock sleeve 42 through the first fixing block 43, the first hook 41 is welded at the lower end of the connecting rod 3, the first lock sleeve 42 is sleeved outside the first hook 41 to enable the upper end of the steel wire rope 5 to be connected with the lower end of the connecting rod 3, the second lock sleeve 62 can be fixed at the lower end of the steel wire rope 5 through the second fixing block 61, the second hook 63 is welded at the upper end of the connecting block 11, the second lock sleeve 62 is sleeved outside the second hook 63 to enable the lower end of the steel wire rope 5 to be connected with the connecting block 11, the inner support main body 8 can be connected with the core mold 12 through the steel wire rope 5, the installation is convenient, the connection is firm, the fracture is not prone to occur, and the service life is long; can fix fixed plate 101 in extrusion molding product 7's inside through support frame 9, can drive through loose axle 102 and change the rod 103 rotation, and then make slide mechanism 10 remove in extrusion molding product 7 is inside, not only can stretch extrusion molding product 7, can play the supporting role to extrusion molding product 7 moreover, avoid extrusion molding product 7 to warp at tensile in-process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Support structure in extrusion molding production line, including cope match-plate pattern (1), its characterized in that: a core mould (12) is arranged on the inner side of the upper template (1), a connecting mechanism (2) is arranged on the inner side of the core mould (12), a connecting rod (3) is arranged at the lower end of the connecting mechanism (2), a first fixing mechanism (4) is arranged at the lower end of the connecting rod (3), a steel wire rope (5) is arranged at the lower end of the first fixing mechanism (4), a second fixing mechanism (6) is arranged at the lower end of the steel wire rope (5), an inner support main body (8) is arranged at the lower end of the second fixing mechanism (6), and the inner support main body (8) comprises a support frame (9), a sliding mechanism (10) and a connecting block (11);

and an extrusion molding product (7) is arranged on the outer side of the inner support main body (8).

2. The support structure in an extrusion line of claim 1, wherein: coupling mechanism (2) are including screw hole (21), clamping screw (22), the inside of mandrel (12) is seted up in screw hole (21), the inboard of screw hole (21) is provided with clamping screw (22), screw hole (21) and clamping screw (22) looks adaptation, the surface of clamping screw (22) passes through the internal surface swing joint of screw thread and screw hole (21), the upper end surface of connecting rod (3) and the lower extreme surface fixed connection of clamping screw (22).

3. The support structure in an extrusion line of claim 1, wherein: the first fixing mechanism (4) comprises a first hook (41), a first lock sleeve (42) and a first fixing block (43), the lower end of the connecting rod (3) is provided with a first hook (41), the outer surface of the upper end of the first hook (41) is fixedly connected with the outer surface of the lower end of the connecting rod (3), a first lock sleeve (42) is arranged on the outer side of the first hook (41), the outer surface of the first hook (41) is movably connected with the inner surface of the first lock sleeve (42), a first fixing block (43) is arranged at the lower end of the first lock sleeve (42), the first lock sleeve (42) penetrates through the first fixing block (43), the outer surface of the first lock sleeve (42) is fixedly connected with the inner surface of the first fixing block (43), the upper end of the steel wire rope (5) penetrates through the first fixing block (43), and the upper end of the steel wire rope (5) is fixedly connected with the first fixing block (43).

4. The support structure in an extrusion line of claim 1, wherein: no. two fixed establishment (6) are including No. two fixed block (61), No. two lock sleeves (62), No. two couples (63), the lower extreme of wire rope (5) is provided with No. two fixed block (61), the lower extreme and No. two fixed block (61) fixed connection of wire rope (5), the lower extreme of No. two fixed block (61) is provided with No. two lock sleeves (62), the upper end and No. two fixed block (61) fixed connection of No. two lock sleeves (62), the lower extreme inboard of No. two lock sleeves (62) is provided with No. two couples (63), the surface of No. two couples (63) and the internal surface swing joint of No. two lock sleeves (62), the lower extreme of No. two couples (63) is provided with connecting block (11), the upper end surface of connecting block (11) and the lower extreme external surface fixed connection of No. two couples (63).

5. The support structure in an extrusion line of claim 1, wherein: the lower extreme of connecting block (11) is provided with support frame (9), the upper end surface of support frame (9) is connected with the lower extreme external surface fixed connection of connecting block (11), the both ends of support frame (9) are provided with a plurality of sets of slide mechanism (10), support frame (9) are aluminium material.

6. The support structure in an extrusion line of claim 1, wherein: slide mechanism (10) include fixed plate (101), loose axle (102), change rod (103), the both ends external surface fixed connection of fixed plate (101) and support frame (9), the inboard of fixed plate (101) is provided with loose axle (102), the one end of the inboard loose axle (102) of fixed plate (101) is provided with changes rod (103), change rod (103) and loose axle (102) fixed connection, loose axle (102) and fixed plate (101) swing joint, slide mechanism (10) are symmetrical about the central line axle of support frame (9), it is the polytetrafluoroethylene material to change rod (103), the internal surface of extrusion molding product (7) and the external surface swing joint who changes rod (103).

7. The support structure in an extrusion line of claim 1, wherein: the outer surface of the core mold (12) is fixedly connected with the inner surface of the upper mold plate (1), and the upper end of the connecting rod (3) is fixedly connected with the core mold (12) through a connecting mechanism (2).

8. The support structure in an extrusion line of claim 1, wherein: the upper end of the steel wire rope (5) is fixedly connected with the lower end of the connecting rod (3) through a first fixing mechanism (4), and the lower end of the steel wire rope (5) is fixedly connected with the inner support main body (8) through a second fixing mechanism (6).

9. The support structure in an extrusion line of claim 1, wherein: the diameter of the steel wire rope (5) is zero six millimeters, and the connecting rod (3) is made of stainless steel materials.